National standard low-temperature flange floodgate valve,No Entry,Valve-Shanghai Shenjiang Valve Factory

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Product introduction:

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First, detailed materials of the product [the national standard low-temperature flange floodgate valve ]:

Name of product: National standard low-temperature flange floodgate valve

Characteristic of the products: The national standard low-temperature flange floodgate has valve price, national standard low-temperature flange floodgate valve producer, the national standard low-temperature flange floodgate valve is offered.

Second, carry out the standard:

Design and manufacture	Length of structure	Size of flange	The pressure- temperature	Test- examine
JB/T7749	GB12221	JB79	Gb9131	JB/T9092

Third, the pressure is tested:

Nominal pressure PN	1.6	2.5	4.0	6.4	10.0
The intensity testing	2.4	3.8	6.0	9.6	15.0
Water sealing and testing	1.8	2.8	4.4	7.0	11.0
Have and seal testing	1.8	2.8	4.4	7.0	11.0
Seal and test angrily	0.4-0.7

Fourth , major part material and performance :

Body apron	Valve stem	Seal the surface	Spacer	Packing	Working temperature	Suitable medium
The low-temperature high pressure of ZGoCrMNVAI casts steel	1Cr7Ni12	STL/STL	1Cr13 / soft graphite Low-temperature asbestos	PTFE soaks and gathers four Fluorine second Alkene asbestos rope Soft graphite	-46	Propane / bright alkene Methyl alcohol / ethane Coal gas / the ammonia of the liquid
LCB
The low-temperature high pressure of ZGoCrMNVAI casts steel					-60
LC1
The low-temperature high pressure of ZGoCrMNVAI casts steel					-73
LC2
The low-temperature high pressure of ZGoCrMNVAI casts steel	1Cr18Ni9Ti				-101
LC3
The low-temperature high pressure of ZGoCrMNVAI casts steel					-115
LC4
The low-temperature high pressure of ZGoCrMNVAI casts steel					-196

Fifth, national standard main size (PN1.6MPa-2.5 MPa ) of valve specification of low-temperature flange floodgate:

1.6MPa	DN	L	D	D1	D2	b	N- Φ d	H	D0
Law of protruding laws RF DZ40Y-16LCB DZ40Y-16LC1 DZ40Y-16LC2 DZ40Y-16LC3 DZ40Y-16LC4 DZ40Y-16P DZ40Y-16R	20	150	105	75	55	14	4- Φ 14	320	140
	25	160	115	85	65	14	4- Φ 14	350	160
	32	180	135	100	78	16	4- Φ 18	385	180
	40	200	145	110	85	16	4- Φ 18	420	220
	50	250	160	125	100	16	4- Φ 18	540	240
	65	265	180	145	120	18	4- Φ 18	610	240
	80	280	195	160	135	20	8- Φ 18	690	280
	100	300	215	180	155	20	8- Φ 18	780	300
	125	325	245	210	185	22	8- Φ 18	930	320
	150	350	280	240	210	24	8- Φ 23	980	350
	200	400	335	295	265	26	12- Φ 26	1180	400
	250	450	105	355	320	30	12- Φ 30	1390	450
	300	500	460	410	375	30	12- Φ 30	1620	500
	350	550	520	470	435	34	16- Φ 34	1810	500
	400	600	580	525	485	36	16- Φ 36	1970	550
2.5MPa	20	150	105	75	55	16	4- Φ 16	320	140
Law of protruding laws RF DZ40Y-25LCB DZ40Y-25LC1 DZ40Y-25LC2 DZ40Y-25LC3 DZ40Y-25LC4 DZ40Y-25P DZ40Y-25R	25	160	115	85	65	16	4- Φ 16	350	160
	32	180	135	100	78	18	4- Φ 18	385	180
	40	200	145	110	85	18	4- Φ 18	420	200
	50	250	160	125	100	20	4- Φ 20	540	240
	65	265	180	145	125	22	8- Φ 22	510	240
	80	280	195	160	135	22	8- Φ 22	690	280
	100	300	230	190	160	24	8- Φ 24	780	300
	125	325	270	220	188	28	8- Φ 28	930	300
	150	350	300	250	218	30	8- Φ 30	980	320
	200	400	360	310	278	34	12- Φ 34	1180	360
	250	450	425	370	332	36	12- Φ 36	1390	400
	300	500	485	430	390	40	16- Φ 40	1620	450
	350	550	550	490	448	44	16- Φ 44	1810	500
	400	600	610	550	505	48	16- Φ 48	1990	560

Sixth, national standard main size PN4.0MPa-10.0MPa of valve specification of low-temperature flange floodgate:

4.0 MPa	DN	L	D	D1	D2	D6	b	N- Φ d	H	D0
Law of law of concave surface MFM DZ40Y-40LCB DZ40Y-40LC1 DZ40Y-40LC2 DZ40Y-40LC3 DZ40Y-40LC4 DZ40Y-40P DZ40Y-40R	20	150	105	75	55	51	16	4- Φ 14	330	140
	25	160	115	85	65	58	16	4- Φ 14	360	160
	32	180	135	100	78	66	18	4- Φ 18	440	180
	40	200	145	110	85	76	18	4- Φ 18	455	200
	50	250	160	125	100	88	20	4- Φ 18	575	240
	65	380	180	145	120	110	22	4- Φ 20	635	240
	80	3103	195	160	135	121	22	8- Φ 22	715	280
	100	50	230	190	160	150	24	8- Φ 22	815	300
	125	400	270	220	188	176	28	8- Φ 24	965	360
	150	450	300	250	218	204	30	8- Φ 28	1025	400
	200	550	375	320	282	160	38	8- Φ 30	1225	450
	250	650	445	385	345	313	42	12- Φ 34	1440	560
	300	750	510	450	408	364	46	16- Φ 34	1665	5470
	350	850	570	510	465	422	52	16- Φ 41	1880	720
	400	950	655	585	535	474	58	16- Φ 18	2050	800
6.4MPa	20	190	125	90	68	51	20	4- Φ 18	330	180
Law of law of concave surface MFM DZ40Y-64LCB DZ40Y-64LC1 DZ40Y-64LC2 DZ40Y-64LC3 DZ40Y-64LC4 DZ40Y-64P DZ40Y-64R	25	210	135	100	78	58	22	4- Φ 23	360	180
	32	230	150	110	82	66	24	4- Φ 23	410	180
	40	240	165	125	95	76	24	4- Φ 23	480	220
	50	250	175	135	105	88	26	4- Φ 23	585	240
	65	280	200	160	130	110	28	8- Φ 23	690	240
	80	310	210	170	140	121	30	8- Φ 23	745	280
	100	350	250	200	168	150	32	8- Φ 25	885	300
	125	400	295	240	202	176	36	8- Φ 30	985	360
	150	450	340	280	240	204	38	8- Φ 34	1050	400
	200	550	405	345	300	260	44	12- Φ 34	1240	450
	250	650	470	400	352	313	48	12- Φ 41	1460	560
	300	750	530	160	412	364	54	16- Φ 41	1670	5640
10.0MPa	25	210	135	100	78	58	24	4- Φ 18	365	200
Law of law of concave surface MFM DZ40Y-100LCB DZ40Y-100LC1 DZ40Y-100LC2 DZ40Y-100LC3 DZ40Y-100LC4 DZ40Y-100P DZ40Y-100R	32	230	150	110	82	66	24	4- Φ 23	420	200
	50	250	195	145	112	88	28	4- Φ 25	630	240
	65	280	220	170	138	110	32	8- Φ 25	700	240
	80	310	230	180	148	121	34	8- Φ 25	760	280
	100	350	265	210	172	150	38	8- Φ 30	900	280

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